/* ===================================================================
   CSS RESET & NORMALIZE (mobile-first, wide browser support)
======================================================================*/
html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, embed, figure, figcaption, footer, header, hgroup, menu, nav, output, ruby, section, summary, time, mark, audio, video {
  margin: 0;
  padding: 0;
  border: 0;
  box-sizing: border-box;
  font: inherit;
  vertical-align: baseline;
}
html {
  line-height: 1.15;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
body {
  background: #181E24;
  color: #F4F7FB;
  font-family: 'Open Sans', Arial, sans-serif;
  font-size: 16px;
  min-height: 100vh;
  position: relative;
}
section, article, aside, footer, header, nav, main {
  display: block;
}
ul, ol {
  list-style: none;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s;
}
img {
  max-width: 100%;
  display: block;
}
button, input, select, textarea {
  font-family: inherit;
  font-size: 1em;
  border: none;
  background: none;
  outline: none;
}
:focus-visible {
  outline: 2px solid #399be7;
  outline-offset: 4px;
}

/* ===================================================================
   BRAND COLORS & FONTS
======================================================================*/
:root {
  --color-primary: #234E70;
  --color-primary-dark: #192d3d;
  --color-secondary: #6D8BA6;
  --color-accent: #F4F7FB;
  --color-bg: #181E24;
  --color-bg-section: #242C33;
  --color-card: #262F38;
  --color-metal: #707883;
  --color-shadow: rgba(35, 78, 112, 0.22);
  --color-shadow-dark: rgba(0,0,0,0.55);
  --color-danger: #cb2635;
  --color-gold: #C7B299;
  --border-radius-xs: 4px;
  --border-radius-s: 8px;
  --border-radius: 14px;
  --shadow-elevation: 0 4px 24px var(--color-shadow), 0 1.5px 4px var(--color-shadow-dark);
  --font-display: 'Montserrat', Arial, Helvetica, sans-serif;
  --font-body: 'Open Sans', Arial, Helvetica, sans-serif;
}

/* Fallback for variable fonts support */
body {
  font-family: var(--font-body), Arial, Helvetica, sans-serif;
  background-color: var(--color-bg);
  color: var(--color-accent);
}

/* ===================================================================
   LAYOUT & SPACING UTILITIES (STRICTLY FLEXBOX!)
======================================================================*/
.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 18px;
}
.section {
  margin-bottom: 60px;
  padding: 40px 20px;
  background: var(--color-bg-section);
  border-radius: var(--border-radius);
}
.content-wrapper {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.card {
  margin-bottom: 20px;
  position: relative;
  background: var(--color-card);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-elevation);
  padding: 24px 20px;
  transition: box-shadow .25s, transform .15s;
}
.card:hover {
  box-shadow: 0 8px 30px 0 var(--color-shadow);
  transform: translateY(-3px) scale(1.02);
}
.content-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: space-between;
}
.text-image-section {
  display: flex;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
}
.testimonial-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
  padding: 24px;
  margin-bottom: 20px;
  border-radius: var(--border-radius);
  background: #768696;
  color: #23272a;
  box-shadow: 0 4px 24px rgba(35, 78, 112, 0.12);
  border-left: 5px solid var(--color-primary);
  min-width: 220px;
  max-width: 420px;
  font-size: 18px;
}
.feature-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
  background: var(--color-card);
  box-shadow: var(--shadow-elevation);
  border-radius: var(--border-radius);
  padding: 24px;
  margin-bottom: 20px;
  min-width: 260px;
}

/* Flexbox only, no grid/column props anywhere! */
.feature-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: flex-start;
}
.feature-grid > div {
  flex: 1 1 260px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  background: var(--color-card);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-elevation);
  padding: 24px;
  min-width: 230px;
  transition: box-shadow .24s, transform .18s;
  margin-bottom: 20px;
  border-top: 2px solid var(--color-metal);
}
.feature-grid > div:hover {
  box-shadow: 0 12px 32px var(--color-shadow-dark);
  transform: translateY(-2px) scale(1.024);
}
.team-profile {
  background: linear-gradient(145deg,#232a32 80%,var(--color-metal) 100%);
  color: var(--color-accent);
  box-shadow: var(--shadow-elevation);
  border-radius: var(--border-radius);
  padding: 24px 24px 16px 24px;
  margin-bottom: 20px;
  min-width: 240px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  border-left: 4px solid var(--color-gold);
}

/* ===================================================================
   TYPOGRAPHY
======================================================================*/
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display), Arial, Helvetica, sans-serif;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -.01em;
}
h1 {
  font-size: 2.5rem;
  margin-bottom: 18px;
  color: var(--color-accent);
}
h2 {
  font-size: 2rem;
  margin-bottom: 16px;
}
h3 {
  font-size: 1.3rem;
  margin-bottom: 10px;
}
h4, h5, h6 {
  font-size: 1.08rem;
  margin-bottom: 8px;
}
p, li {
  font-family: var(--font-body), Arial, sans-serif;
  font-size: 1.07rem;
  color: var(--color-accent);
  line-height: 1.7;
  margin-bottom: 8px;
}
blockquote {
  background: #213040;
  color: #d6e3ee;
  border-left: 4px solid var(--color-primary);
  border-radius: var(--border-radius-s);
  margin: 18px 0;
  padding: 18px 24px;
  font-family: var(--font-body), Arial, sans-serif;
  font-size: 1.16rem;
  font-style: italic;
  box-shadow: 0 2px 8px var(--color-shadow-dark);
}
cite {
  display: block;
  margin-top: 10px;
  font-size: 1rem;
  color: var(--color-secondary);
}
ul li, ol li {
  margin-bottom: 8px;
  padding-left: 20px;
  position: relative;
}
ul li:before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--color-secondary);
  border-radius: 50%;
  position: absolute;
  left: 0;
  top: 11px;
}

.text-section {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 18px;
}
.info-box {
  background: var(--color-bg-section);
  padding: 16px 20px;
  border-left: 4px solid var(--color-primary);
  border-radius: var(--border-radius-xs);
  color: var(--color-accent);
  margin: 12px 0 0 0;
  font-size: 1em;
}
strong {
  font-weight: bold;
  color: var(--color-primary);
}

/* ===================================================================
   HEADER & NAVIGATION (Desktop & Mobile)
======================================================================*/
header {
  position: sticky;
  top: 0;
  width: 100%;
  background: #1a232a;
  z-index: 50;
  box-shadow: 0 2px 10px var(--color-shadow-dark);
}
header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
  gap: 12px;
}
header img {
  height: 44px;
  margin-right: 20px;
}
.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  align-items: center;
}
.main-nav a {
  color: var(--color-accent);
  font-family: var(--font-display);
  font-size: 1.06rem;
  position: relative;
  padding: 8px 8px;
  border-radius: var(--border-radius-xs);
  font-weight: 500;
  transition: color .16s, background .14s;
}
.main-nav a:hover,
.main-nav a:focus {
  color: var(--color-primary);
  background: var(--color-accent);
}
.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 11px 30px;
  background: linear-gradient(87deg,var(--color-primary),var(--color-metal) 90%);
  color: var(--color-accent);
  border: none;
  border-radius: var(--border-radius);
  font-size: 1.06rem;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: .02em;
  text-transform: none;
  box-shadow: 0 2px 12px var(--color-shadow);
  transition: background .20s, box-shadow .18s, color .18s, transform .12s;
  cursor: pointer;
}
.cta-button:hover, .cta-button:focus {
  background: linear-gradient(99deg,var(--color-secondary) 10%,var(--color-primary) 90%);
  color: var(--color-gold);
  box-shadow: 0 5px 24px var(--color-shadow-dark);
  transform: translateY(-2px) scale(1.015);
}

/* Hamburger Button */
.mobile-menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  padding: 9px 16px;
  background: transparent;
  color: var(--color-accent);
  cursor: pointer;
  border-radius: var(--border-radius-xs);
  border: 2px solid var(--color-metal);
  margin-left: 12px;
  transition: border-color .2s, background .14s;
}
.mobile-menu-toggle:hover, .mobile-menu-toggle:focus {
  background: var(--color-metal);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

/* Hide hamburger on desktop */
@media (min-width: 992px) {
  .mobile-menu-toggle {
    display: none;
  }
}
/* Hide main navigation on mobile */
@media (max-width: 991px) {
  .main-nav, .cta-button {
    display: none !important;
  }
}

/* ===================================================================
   MOBILE MENU OVERLAY
======================================================================*/
.mobile-menu {
  position: fixed;
  z-index: 1300;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: linear-gradient(104deg,#19222b 75%,#363c45 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: flex-start;
  padding-top: 24px;
  padding-left: 0;
  padding-right: 0;
  transform: translateX(-100vw);
  transition: transform 0.32s cubic-bezier(0.66,0,0.17,1.08);
}
.mobile-menu.open {
  transform: translateX(0);
}
.mobile-menu .mobile-menu-close {
  font-size: 2.1rem;
  color: #fff;
  background: none;
  border: none;
  align-self: flex-end;
  margin: 8px 24px 24px 0;
  cursor: pointer;
  transition: color .18s;
}
.mobile-menu .mobile-menu-close:hover, .mobile-menu .mobile-menu-close:focus {
  color: var(--color-gold);
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 24px;
  width: 100vw;
  align-items: flex-start;
  padding-left: 32px;
}
.mobile-nav a {
  color: #fff;
  font-size: 1.38rem;
  font-family: var(--font-display);
  font-weight: 600;
  padding: 12px 0;
  border-radius: var(--border-radius-xs);
  transition: background .18s, color 0.2s;
}
.mobile-nav a:hover, .mobile-nav a:focus {
  background: var(--color-metal);
  color: var(--color-gold);
  padding-left: 12px;
}
@media (min-width: 992px) {
  .mobile-menu {
    display: none !important;
  }
}
/* Sliding animation for mobile menu */
.mobile-menu {
  box-shadow: 16px 0 48px rgba(32,32,32,.30);
}

/* ===================================================================
   HERO, SECTIONS, CARDS, and FLEXBOX PATTERNS
======================================================================*/
section {
  margin-bottom: 60px;
}
.content-wrapper {
  margin-bottom: 0;
}
.card-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
}
.card {
  min-width: 220px;
  background: var(--color-card);
  margin-bottom: 20px;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-elevation);
}

/* Testimonial slider basic flex approach */
.testimonial-slider {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 18px;
}
.testimonial-card strong {
  color: var(--color-primary-dark);
  font-family: var(--font-display);
  font-size: 1.1em;
}

/* Blog post preview / cards */
.blog-post-preview {
  background: var(--color-card);
  color: var(--color-accent);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-elevation);
  padding: 22px 20px;
  margin-bottom: 20px;
  min-width: 240px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: background .20s, box-shadow .16s, transform .13s;
}
.blog-post-preview:hover {
  background: #27394a;
  transform: translateY(-2px) scale(1.014);
  box-shadow: 0 8px 32px var(--color-shadow-dark);
}
.topic-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 24px;
}
.topic-filter a {
  background: var(--color-secondary);
  color: #fff;
  border-radius: var(--border-radius-xs);
  padding: 6px 18px;
  font-size: 0.98rem;
  font-family: var(--font-display);
  font-weight: 500;
  transition: background .16s, color .13s;
}
.topic-filter a:hover, .topic-filter a:focus {
  background: #f4f7fb;
  color: var(--color-primary);
}

/* Cards: Spacing between them is enforced, no overlapping! */
.card-container > *,
.feature-grid > *,
.content-grid > * {
  margin-bottom: 20px !important;
}

/* Flex wrap & vertical alignment for .text-image-section (and similar) */
.text-image-section {
  flex-direction: column;
  align-items: center;
}
@media (min-width: 768px) {
  .text-image-section {
    flex-direction: row;
    align-items: center;
  }
}

/* ===================================================================
   TABLES (Preise)
======================================================================*/
table {
  width: 100%;
  border-spacing: 0;
  border-collapse: collapse;
  background: var(--color-card);
  color: var(--color-accent);
  border-radius: var(--border-radius-s);
  box-shadow: var(--shadow-elevation);
  margin-bottom: 24px;
  overflow: hidden;
}
thead {
  background: var(--color-metal);
  color: #fff;
}
th, td {
  padding: 13px 14px;
  text-align: left;
  font-size: 1rem;
}
th {
  font-family: var(--font-display);
  font-weight: 600;
  border-bottom: 2px solid #3e4153;
}
tbody tr {
  border-bottom: 1px solid #2a3444;
}
tbody tr:last-child {
  border-bottom: none;
}
tbody td {
  font-size: 1.03rem;
  vertical-align: top;
}

/* ===================================================================
   FOOTER
======================================================================*/
footer {
  background: #161d22;
  color: var(--color-metal);
  padding: 48px 0 24px 0;
  margin-top: 70px;
}
footer .container {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 26px;
}
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  margin-bottom: 4px;
}
.footer-nav a {
  color: var(--color-metal);
  font-size: 1em;
  font-family: var(--font-display);
  border-radius: var(--border-radius-xs);
  padding: 6px 7px;
  transition: color .14s, background .14s;
}
.footer-nav a:hover , .footer-nav a:focus {
  color: var(--color-gold);
  background: var(--color-primary);
}
.footer-contact p {
  color: var(--color-metal);
}
.footer-copy {
  color: #5e6a77;
  font-size: .99rem;
  margin-top: 16px;
  letter-spacing: -.01em;
}

/* Footer responsive for stacking col layouts */
@media (min-width: 768px) {
  footer .container {
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
    gap: 44px;
  }
  .footer-nav {
    margin-bottom: 0;
  }
}

/* ===================================================================
   COOKIE CONSENT BANNER & MODAL
======================================================================*/
.cookie-banner {
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100vw;
  background: #232930;
  color: var(--color-accent);
  padding: 20px 18px 16px 18px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  z-index: 2000;
  box-shadow: 0 -9px 36px rgba(35, 78, 112, 0.20);
  gap: 16px;
  transition: transform 0.23s cubic-bezier(0.55,0,0.33,1.16), opacity 0.28s;
  border-top: 2px solid var(--color-metal);
}
.cookie-banner.hide {
  transform: translateY(100%);
  opacity: 0;
}
.cookie-banner.show {
  transform: translateY(0);
  opacity: 1;
}
.cookie-banner .button-row {
  display: flex;
  flex-direction: row;
  gap: 16px;
  margin-top: 5px;
}
.cookie-banner button {
  background: var(--color-primary);
  color: var(--color-accent);
  border: none;
  border-radius: var(--border-radius-xs);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1em;
  padding: 9px 23px;
  margin-right: 4px;
  cursor: pointer;
  box-shadow: 0 2px 8px var(--color-shadow);
  transition: background .16s, color .13s, box-shadow .16s;
}
.cookie-banner button:hover, .cookie-banner button:focus {
  background: var(--color-secondary);
  color: var(--color-gold);
  box-shadow: 0 6px 19px var(--color-shadow-dark);
}
.cookie-banner .button-row .cookie-reject {
  background: #c12e34;
  color: #fff;
}
.cookie-banner .button-row .cookie-reject:hover, .cookie-banner .button-row .cookie-reject:focus {
  background: #a92629;
  color: #fff;
}
.cookie-banner .button-row .cookie-settings {
  background: var(--color-metal);
  color: var(--color-accent);
}
.cookie-banner .button-row .cookie-settings:hover, .cookie-banner .button-row .cookie-settings:focus {
  background: #636a73;
  color: #ffefc9;
}

/* Cookie Modal Overlay */
.cookie-modal-overlay {
  display: none;
  position: fixed;
  left: 0;
  top: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(24,30,36,0.82);
  z-index: 4000;
  align-items: center;
  justify-content: center;
}
.cookie-modal-overlay.open {
  display: flex;
}
.cookie-modal {
  background: #222831;
  color: #fff;
  border-radius: var(--border-radius);
  max-width: 400px;
  width: 94vw;
  box-shadow: 0 8px 44px rgba(25,45,61,0.27);
  padding: 32px 24px 24px 24px;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 20px;
  animation: modalIn .31s cubic-bezier(.24,1.42,.32,1.02);
}
@keyframes modalIn {
  from { transform: scale(0.97) translateY(40px); opacity: 0; }
  to   { transform: scale(1.01) translateY(0); opacity: 1; }
}
.cookie-modal .modal-close {
  position: absolute;
  top: 14px;
  right: 22px;
  background: transparent;
  border: none;
  font-size: 1.6rem;
  color: #ccc;
  cursor: pointer;
  transition: color .17s;
}
.cookie-modal .modal-close:hover,
.cookie-modal .modal-close:focus { color: var(--color-gold);}
.cookie-modal h3 {
  margin-bottom: 12px;
  color: var(--color-accent);
}
.cookie-categories {
  display: flex;
  flex-direction: column;
  gap: 13px;
  margin-top: 10px;
}
.cookie-category {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 14px;
  padding: 9px 0;
}
.cookie-category label {
  font-size: 1.03em;
  color: var(--color-accent);
  min-width: 128px;
}
.cookie-category input[type=checkbox] {
  accent-color: var(--color-primary);
  width: 16px;
  height: 16px;
}
/* Always enabled for essential cookies */
.cookie-essential-label {
  color: var(--color-gold);
  font-weight: 600;
  cursor: default;
}
.modal-actions {
  margin-top: 16px;
  display: flex;
  gap: 12px;
  flex-direction: row;
  justify-content: flex-end;
}
.modal-actions button {
  min-width: 120px;
}

/* ===================================================================
   RESPONSIVE DESIGN
======================================================================*/
@media (max-width: 991px) {
  .container {
    padding: 0 7px;
  }
  .feature-grid {
    gap: 16px;
  }
  .footer-nav, .main-nav {
    gap: 12px;
  }
  section {
    padding: 24px 0 36px 0;
  }
}
@media (max-width: 768px) {
  .container {
    padding: 0 6px;
  }
  .section {
    padding: 22px 5px;
    margin-bottom: 34px;
  }
  h1 {
    font-size: 1.63rem;
  }
  h2 {
    font-size: 1.2rem;
  }
  .feature-grid, .testimonial-slider {
    flex-direction: column;
    gap: 16px;
  }
  .team-profile, .blog-post-preview, .feature-grid > div, .testimonial-card {
    min-width: 0;
    width: 100%;
    padding: 16px 12px;
  }
  .card {
    padding: 16px 10px;
  }
}
@media (max-width: 520px) {
  .content-wrapper, .feature-item, .testimonial-card, .team-profile, .blog-post-preview { padding: 12px 3px !important;}
  .cookie-modal { max-width: 98vw; padding: 15px 6px 18px 6px; }
  .cookie-banner { font-size: .98rem; }
}

/* ===================================================================
   TRANSITIONS, MICRO-INTERACTIONS
======================================================================*/
.card, .feature-grid > div, .blog-post-preview, .team-profile, .cta-button, .testimonial-card, .cookie-banner, .cookie-modal {
  transition: box-shadow .19s cubic-bezier(.49,.33,.71,1.2), background .18s, transform .16s;
}
main a:not(.cta-button):not(.footer-nav a):not(.main-nav a) {
  color: var(--color-secondary);
  text-decoration: underline;
  transition: color .16s;
}
main a:not(.cta-button):hover, main a:not(.cta-button):focus {
  color: var(--color-gold);
}

/* ===================================================================
   MISC: ICON IMAGES & SVGs
======================================================================*/
.feature-grid img, .team-profile img, .blog-post-preview img {
  width: 40px;
  height: 40px;
  margin-bottom: 10px;
  filter: grayscale(55%) contrast(1.2);
}

/* Enforce visual hierarchy & prevent overlap */
.section, .card, .feature-item, .blog-post-preview, .testimonial-card {
  margin-bottom: 20px;
}

/* ===================================================================
   PRINT / REDUCE BLURS (optional for resume)
======================================================================*/
@media print {
  * {
    box-shadow: none !important;
    background: #fff !important;
    color: #000 !important;
  }
}